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math.FA2014★ 1 cited
Time-Frequency Localization Operators and a Berezin Transform
Dominik Bayer, Karlheinz Gröchenig
Time-frequency localization operators are a quantization procedure that maps symbols on to operators and depends on two window functions. We study the range of this quanti…
math.FA2014
Linear Independence of Time-Frequency Shifts?
Karlheinz Gröchenig
We investigate finite sections of Gabor frames and study the asymptotic behavior of their lower Riesz bound. From a numerical point of view, these sets of time-frequency shifts are…